it is considered as a unifyin bond cuz the wind systems nd the associated weather conditions provide a rhythmic cycle of seasons which binds entire country.
The Himalayas protect the subcontinent from extremely cold winds from central Asia ....

1. The peninsular plateau under the influence of sea from three side has moderate temperatures .

2. The uncertainties of rain and uneven distribution are very much typical of the monsoons .

3. The Indian Landscape , it's animal and plant life , it's entire agricultural calender and the life of people including their festivals revolves around this phenomena .

4. Year after year , people of India from North to South and from East to West eagerly awaits the arrival of monsoons .

5. The river valleys which carry this water also unite as a single river valley unit .